invigorate
v.
1640s, from in-(2) + vigor + -ate(2). Earlier verb was envigor (1610s). Related: Invigorated; invigorating.
| 词汇 | invigorate | 
| 词根词缀 | Online Etymology Dictionary invigorate v. 1640s, from in-(2) + vigor + -ate(2). Earlier verb was envigor (1610s). Related: Invigorated; invigorating. | 
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